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Page 14
5. Flexible Ducting
Figure 6 Shallow roof space
90 degree curve PVC or
galvanise curve
Shallow Roof Space
In shallow roof spaces, do not crush or kink exible ducting, as it will reduce air ow severely. 90 degree curve
made of PVC or galvanise can be used as a substitute for the bend, refer to gure 6.
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